The following computer-generated description may contain errors and does not represent the quality of the book:District of Pennsylvania, to wit: Be It Remembered, That on the second day of May, I Seal. in the thirty-ninth year of the independence of the United Stites of America, A.D. 1815, Thomas Dobson, of the said district, hath deposited in this office tl etitle of a book, the right whereof he claims as proprietor, in the words following, to wit: A Dissertation on the Influence of a Change of Climate in Curing Diseases; by Professor Gregory, of Edinburgh. Translated from the original Latin, and enlarged with occasional Notes: By William P.C. Barton, M.D. Pessimum 3 cgro est ccclum quod segrum fecit; adeo ut in id quoque genus, quod natura pejus est, in hoc statu, salubris mutatio sit. Celsus de Re JMedica In conformity to the act of the congress of the United States, intituled, An act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors and proprietors of such copies, during the times therein mentioned. And also to the act, entitled, An act supplementary to an act, entitled, An act for the encouragement of learning, by securing the copies of maps, charts, and books, to the authors iiud proprietors of such copies during the times therein mentioned, and extending the benefits thereof to the arts of designing, engraving, and etching historical and other prints. D.Caldwell, Clerk of the District of Pennsylvania.